2781: Which one of the following pairs of metals constitutes the lightest metal and the heaviest metal, respectively?

(a) Lithium and mercury

(b) Lithium and osmium

(c) Aluminium and osmium

(d) Aluminium and mercury
2782: Which of the following plants is biennial?

(a) Banana

(b) Pineapple

(c) Jack fruit

(d) Carrot
2783: which of the following pairs in respect of correct Power generation in India is/are correctly matched ?

(Rounded Figure)

1. Installed electricity generation capacity : 100000 MW

2. Electricity generation : 660 billion kWh

Select the correct answer using the code given below :

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2784: The Montague-Chelmsford Proposals were related to

(a) social reforms
(b) educational reforms
(c) reforms in police administration
(d) constitutional reforms
2785: Daily weather map showing isobars is an example of

(a) Choropleth map
(b) Isopleth map
(c) Chorochromatic map
(d) Choroschematic map